Card Type	Serial card
Chipset/Controller	Unidentified UART
I/O Options	Serial ports (4)
Maximum DRAM	N/A

CONNECTIONS
Purpose	Location	Purpose	Location
Serial port 3	J1	Serial port 2	J3
Serial port 4	J2	Serial port 1	J4

SERIAL PORT ADDRESS MODE
Mode	Port 1(J4)	Port 2(J3)	Port 3(J1)	Port 4(J2)
A	COM1	COM2	COM3	COM4
B	COM2	COM3	COM4	COM5
C	COM3	COM4	COM5	COM6
D	COM4	COM5	COM6	COM7
E	COM5	COM6	COM7	COM8
F	COM6	COM7	COM8	N/A
G	COM7	COM8	N/A	N/A
H	COM8	N/A	N/A	N/A

SERIAL PORT ADDRESS JUMPER CONFIGURATION
Mode	SW1/1	SW1/2	SW1/3
A	Off	Off	Off
B	Off	Off	On
C	Off	On	Off
D	Off	On	On
E	On	Off	Off
F	On	Off	On
G	On	On	Off
H	On	On	On

PRIMARY SERIAL PORT INTERRUPT SELECTION
IRQ		SW2/1	SW2/2	SW2/3	SW2/4
»	IRQ4	Off	Off	On	Off
	IRQ2	On	Off	Off	Off
	IRQ3	Off	On	Off	Off
	IRQ5	Off	Off	Off	On

SECONDARY SERIAL PORT INTERRUPT SELECTION
IRQ		SW2/5	SW2/6	SW2/7	SW2/8
»	IRQ3	Off	On	Off	Off
	IRQ2	On	Off	Off	Off
	IRQ4	Off	Off	On	Off
	IRQ5	Off	Off	Off	On

THIRD SERIAL PORT INTERRUPT SELECTION
IRQ		SW3/1	SW3/2	SW3/3	SW3/4
»	IRQ4	Off	Off	On	Off
	IRQ2	On	Off	Off	Off
	IRQ3	Off	On	Off	Off
	IRQ5	Off	Off	Off	On

FOURTH SERIAL PORT INTERRUPT SELECTION
IRQ		SW3/5	SW3/6	SW3/7	SW3/8
»	IRQ3	Off	On	Off	Off
	IRQ2	On	Off	Off	Off
	IRQ4	Off	Off	On	Off
	IRQ5	Off	Off	Off	On

PRIMARY SERIAL PORT NORMAL/FORCED-TRUE CONFIGURATION
Setting		JP8/A	JP8/B	JP8/C
»	Normal	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed
	Forced-True	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 2 & 3 closed

PRIMARY SERIAL PORT DTE/DCE SELECTION
JUMPER JP7

SECONDARY SERIAL PORT NORMAL/FORCED-TRUE CONFIGURATION
Setting		JP6/A	JP6/B	JP6/C
»	Normal	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed
	Forced-True	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 2 & 3 closed

SECONDARY SERIAL PORT DTE/DCE SELECTION
JUMPER JP5

THIRD SERIAL PORT NORMAL/FORCED-TRUE CONFIGURATION
Setting		JP3/A	JP3/B	JP3/C
»	Normal	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed
	Forced-True	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 2 & 3 closed

THIRD SERIAL PORT DTE/DCE SELECTION
JUMPER JP1

FOURTH SERIAL PORT NORMAL/FORCED-TRUE CONFIGURATION
Setting		JP4/A	JP4/B	JP4/C
»	Normal	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed
	Forced-True	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 2 & 3 closed

FOURTH SERIAL PORT DTE/DCE SELECTION
JUMPER JP2